Unit #6-01

Learning Outcome

At the end of this lesson, you will be able to:

• understand and create an array (or list in python)

Review

• passing parameters

Lesson

• python actually does not have arrays, it only has lists

  • we will just assume lists are like arrays for now!

• go over  Arrays, Computer Based Problem Solving

Activity

• nil

Daily Assignment

• create a program that generates 10 random numbers between 1 and 100

  • the program places them in a single variable (an array or list in python) and prints them to the console

  • after the array is full, calculates the average of the numbers and display it

    • no using any built in functions, use a loop to calculate the average, to 1 decimal place

    • do not hard code any numbers, use len() to get the length of list

    • do not create a user defined function, just place everything in main() for this program

• please note the following:

  • your array (list!) declaration will be like this in Python:

  • my_numbers = []

  • no need to use a function today, we will learn how to pass arrays to functions next

    • just place all the code in main()

• your Test Cases will not be normal, you are generating random numbers so you do not know them in advance

  • just have 1 test case explaining how you are going to check to ensure the result is correct

  • then under each of the 3 screen shots of the program running, do the calculation to prove it is correct

• read  Arrays, Computer Based Problem Solving

Extra

• recreate the same above program in C
    int arr[] = {10,20,30,40,50,60};
    int arrSize = sizeof(arr)/sizeof(arr[0]);